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The measurement of dynamic surface tensions of highly viscous liquids by the maximum bubble pressure method

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1993Publisher:Elsevier BVJournal:Colloids and Surfaces A: Physicochemical and Engineering Aspects, volume 75, pages 229-235 (issn: 0927-7757,

Authors: V. B. Fainerman; Alexander V. Makievski; Reinhard Miller;

doi: 10.1016/0927-7757(93)80434-g

The measurement of dynamic surface tensions of highly viscous liquids by the maximum bubble pressure method

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Abstract

Abstract A newly designed apparatus based on the principle of maximum bubble pressure can be used for measuring the dynamic surface tension in a time interval from 1 ms to 10 s. The surface tension values for pure liquids obtained at small lifetimes are influenced by hydrodynamic effects. These effects depend on the viscosity of the liquid and the diameter of the capillary and decrease with increasing lifetimes. A procedure for correction is proposed and compared with experimental data for water—glycerine mixtures at different compositions and temperatures. Measurements of sodium tetradecyl sulphate in highly viscous water—glycerine mixtures lead to unexpected adsorption behaviour.

Related Organizations

Max Planck Society
Germany
Max Planck Institute of Colloids and Interfaces
Germany

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